INDIVIDUAL SMOKE CARTRIDGES. COMPRISING OF COMPRESSED CHEMICALS CONTAINED WITHIN A RESILIENT AND WATERPROOF SHEATH WHICH, WHEN 'IGNITED', PRODUCE A THICK PLUME OF REAL SMOKE. THESE ARE USED INDEPENDENTLY FROM A DETECTOR TEST SYSTEM. USES: VISUAL AIR FLOW TESTS INSIDE ROOMS OR BUILDINGS BEFORE SYSTEM INSTALLATION; EFFICIENT AND EFFECTIVE COMMISSIONING TESTS; REGULAR POST INSTALLATION TESTING PROVIDING EARLY INDICATIONS OF PROBLEMS; TESTS OF BEAM TYPE AND DUCT SITUATED SMOKE DETECTORS WHICH ARE OTHERWISE DIFFICULT TO ACCESS; TESTS ON FIRE VENTS AND FIRE DAMPERS; DRAUGHT TESTING; VENTILATION SYSTEM AND EXTRACTOR FAN TESTING. FEATURES: NON TOXIC OIL FREE SMOKE FROM QUICK, EASY AND CONVENIENT TO USE CARTRIDGES; RAPID DISPERSAL OF SMOKE AFTER USE; CARTRIDGES BURN DOWN TO HARD RESIDUE FOR EASY DISPOSAL; NO POWER SOURCE REQUIRED; REALISTIC SMOKE WITH THE SAME DENSITY AS AIR; CARTRIDGES HAVE WATERPROOF IGNITION SURFACE WHICH, ONCE IGNITED, WILL CONTINUE TO "BURN" EVEN WHEN UNDER, OR SUBJECTED TO, WATER; SMOKE REMAINS EFFECTIVE EVEN WHEN THE AIR IS HEATED TO HIGH TEMPERATURES.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR) S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 3604 - FIREWORKS, SIGNALLING FLARES, RAIN ROCKETS, FOG SIGNALS AND OTHER PYROTECHNIC ARTICLES. GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 360490 - OTHER THAN FIREWORKS ALSO CLASSIFIED IN ACCORDANCE WITH HSEN'S TO 3604